Home / 3,475.57-5,211.81-1,009.81

Finding the Fourth Proportional to 3,475.57, 5,211.81 and 1,009.81

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Solution

The fourth proportional to 3,475.57, 5,211.81 and 1,009.81 is: 1,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.57 : 5,211.81 = 1,009.81 : x
  2. Step 2: Convert to fraction form
    3,475.57/5,211.81 = 1,009.81/x
  3. Step 3: Cross multiply
    3,475.57x = 5,211.81 × 1,009.81
  4. Step 4: Simplify right side
    3,475.57x = 5,262,937.86
  5. Step 5: Solve for x
    x = 5,262,937.86/3,475.57
  6. Step 6: Final answer
    x = 1,514.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.